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Lectrosonics DHu Instruction Manual

Digital handheld transmitter
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DHu
Digital Handheld Transmitter
INSTRUCTION MANUAL
Rio Rancho, NM, USA
www.lectrosonics.com

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Summary of Contents for Lectrosonics DHu

  • Page 1 INSTRUCTION MANUAL Digital Handheld Transmitter Rio Rancho, NM, USA www.lectrosonics.com...

  • Page 2: Table Of Contents

    To operate wireless microphone systems at power greater than 50mW, you must qualify as a Part 74 user and be licensed. If you qualify and wish to apply for a license go to: http://www.fcc.gov/Forms/Form601/601.html LECTROSONICS, INC.

  • Page 3: General Technical Description

    Firmware updates are enabled by simply downloading limiter followed by a slow attack and release limiter. a file and utility program from the Lectrosonics web The limiter recovers quickly from brief transients, with site, connecting the transmitter to a computer via the no audible side effects, and also recovers slowly from USB port and running the program.

  • Page 4: Microphone Capsules

    28 threads per inch and three contact rings Microphone Capsules: Lectrosonics offers two types of capsules. The HHC is the standard capsule and the HHVMC is the Variable Mic Capsule which includes adjustments for Bass, Midrange and Treble.

  • Page 5: Battery Installation

    Digital Hand Held Transmitter Battery Installation Control Panel To insert batteries, close the eject lever and insert the Six membrane switches on the control panel are used upper contacts first (closest to the mic capsule). Polar- to set up the transmitter by navigating the menus on ity is marked on the label in the bottom of the battery the LCD and selecting the desired values.

  • Page 6: Setup And Adjustments

    LCD by holding the power button in for is released before the O . . . countdown is completed, the the duration of the countdown. unit will remain turned on and the LCD will return to the same screen or menu that was displayed previously. LECTROSONICS, INC.

  • Page 7: Battery Condition

    Digital Hand Held Transmitter Menu Map The menu is simple and intuitive. A summary of the Battery Condition available settings is shown here, and details of the set- tings are on the following pages. An icon on the Main Window indicates the remaining power of the transmitter batteries.
  • Page 8 A low frequency roll-off filter can be set for a -3dB point at 35, 50, 70, 100, 120 or 150 Hz. Gain Rolloff Freq. 70 Hz ProgSw Rolloff The roll-off frequency is normally adjusted by ear to suit personal preferences. LECTROSONICS, INC.

  • Page 9: Input Gain Adjustment

    Digital Hand Held Transmitter Input Gain Adjustment The two bicolor Modulation LEDs (located at the bot- It is best to go through the following procedure with the tom of the control panel) provide a visual indication of transmitter in the “standby” mode so that no audio will the audio signal level entering the transmitter.

  • Page 10: Firmware Update

    Then click here to download. NOTE: This website, http://www.ftdichip.com/ Drivers/D2XX.htm, is not associated with Lectrosonics.com. It is a third party site used only for D2XX drivers currently available for Lectrosonics’ devices’ upgrades. LECTROSONICS, INC.
  • Page 11 Spring-loaded balls USB Port engage detents in housing Step 7: In Lectrosonics USB Firmware Updater, choose the detected device, browse to local Firmware File and click Start. NOTE: It may take up to a minute or so for the Updater to recognize the transmitter.

  • Page 12: Parts And Accessories

    Parts and Accessories #CCHH - Zippered Pouch Padded zipper pouch for handheld transmitter #26872 Mic Capsule Wrench Custom wrench for removing windscreen from mic capsule #13585 Mic Clip Screw on mic clip for standard mic stands with 5/8”-27 thread LECTROSONICS, INC.

  • Page 13: Troubleshooting

    2) Battery is inserted backwards. Check LCD for power indication. 3) Mic capsule is damaged or malfunctioning. Contact the factory for repair. DHu MODULATION LEDs GOOD BUT NO SOUND 1) Talkback function is engaged (release multi-function button). See p. 11.

  • Page 14: Specifications

    Battery life: At 50 mW: 5 hours (Duracell Procell) (The DHu transmits battery status to Per RSS-Gen Lectrosonics receivers.) Capsule Interface: 1.25” opening and 28 thread pitch This device complies with Industry Canada’s Power available: 5V, 25 mA max license-exempt RSSs.

  • Page 15: Service And Repair

    There are no adjustments inside that will make a malfunctioning unit start working. LECTROSONICS’ Service Department is equipped and staffed to quickly repair your equipment. In-warranty repairs are made at no charge in accordance with the terms of the warranty. Out-of-warranty repairs are charged at a mod- est flat rate plus parts and shipping.
  • Page 16 This warranty does not apply to used or demonstrator equipment. Should any defect develop, Lectrosonics, Inc. will, at our option, repair or replace any defective parts without charge for either parts or labor. If Lectrosonics, Inc. cannot correct the defect in your equipment, it will be replaced at no charge with a similar new item.

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